Claudia Goodman IT302 Homework 2 Security-Enhanced Linux The NSA has long been involved with the computer security research community in investigating a wide range of computer security topics including operating system security. It recognizes the critical role of operating system security mechanisms in supporting security at higher levels. End systems must be able to enforce confidentiality and integrity requirements to provide system security. Unfortunately, existing mainstream operating systems
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Introduction Voice over IP (VoIP) is the transmission of voice over packet-switched IP networks, as of right now it is one of the most prominent emerging trends in the revolution of telecommunications (Thermos, 2009). Almost everyone one is driven by technology in one way or the other. With this drastic growth in technology over the pass years and with this rapid growth in advancement it as also presented many ground-breaking improvements; which have contributed significantly to the simplification
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Security Monitoring Activities CMGT/442 May 21, 2012 Security Monitoring Activities Any company that considers data an asset must realize the importance of risk management. Managing risk helps a company identify vulnerabilities and allows actions to be taken to reduce or stop these vulnerabilities. Risk management is also helpful in the attainment of goals and higher profits by attempting to eliminate any risk that may cost the company extra money to rectify. This paper will discuss security
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X 1 1. If an organization has three information assets to evaluate for risk management as shown in the accompanying data, which vulnerability should be evaluated for additional controls first? Which one should be evaluated last? Asset A: Switch L47 connects a network to the Internet. It has two vulnerabilities. It is susceptible to hardware failure at a likelihood of 0.2 and is subject to an SNMP buffer overflow attack at a likelihood of 0.1. The switch has an
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1230 Client server Topics • Transmission Control Protocol (TCP)/Internet Protocol (IP) for Wired and Wireless Networks • The Open Systems Interconnections (OSI) Model • IP Addressing • Firewalls TCP/IP for Wired and Wireless Networks[1] TCP/IP is an open-standard communications protocol suite that is the standard for communicating on the Internet • TCP and IP (two different protocols) contain all the fundamental mechanisms needed to
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servers. DNS servers provide names to IP addresses for clients. To protect this domain the following methods should be utilized; removal of unnecessary services and protocols, changing of default passwords, regular patch and updates, enable local firewalls. The major threats to these areas are unauthorized access, hardware failure, and data loss. Since the system/ application domain consists of all of a business’s mission-critical systems, applications, and data it is important to ensure that this
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1. Email Systems: Spam: Spam is an unwanted commercial email, because a large amount of spam is sent in order to try and persuade the user to buy something. Spam delivers viruses and other nasty software that harm the computer system. 1a. Protection: To avoid unwanted emails, a spam filter is the best solution it detects unwanted emails and stops the spam from going into the user’s inbox. Never reply to spam and delete spam without opening it. 2. Wireless Systems: MAC association: A Media Access
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Associate Level Material Appendix B Information Security Policy Student Name: Ronald Stride University of Phoenix IT/244 Intro to IT Security Instructor’s Name: Scott Smith Date: January 27, 2013 Table of Contents 1. Executive Summary 1 2. Introduction 1 3. Disaster Recovery Plan 1 3.1. Key elements of the Disaster Recovery Plan 1 3.2. Disaster Recovery Test Plan 1 4. Physical Security Policy 1 4.1. Security of the facilities 1
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The OSI Model The OSI Model The OSI model describes how data flows in a network. From the top, highest level containing applications for the everyday user down to the bottom level of the physical connections, data and information passes through every layer which in turn can talk to the layers above and below it. Every layer is made up of complicated software. When that software and its components receive information, commonly called packets, from another source it checks it and then sends
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all devices such as printers, computers, and scanners on the network. In a true mesh topology every node has a connection to every other node in the network ("Common Physical Network Topologies ", 2014). The network will consist of a hardware firewall blocking unwanted access from outside of the location. The next step is to set up a hub or switch that will connect all of the stores terminals. All of these terminals such as registers and remote locations such as warehouse will be hardwired with
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